Home / 143,822.42-198,319.07-97,911.75

Finding the Fourth Proportional to 143,822.42, 198,319.07 and 97,911.75

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Solution

The fourth proportional to 143,822.42, 198,319.07 and 97,911.75 is: 135,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,822.42 : 198,319.07 = 97,911.75 : x
  2. Step 2: Convert to fraction form
    143,822.42/198,319.07 = 97,911.75/x
  3. Step 3: Cross multiply
    143,822.42x = 198,319.07 × 97,911.75
  4. Step 4: Simplify right side
    143,822.42x = 19,417,767,202.07
  5. Step 5: Solve for x
    x = 19,417,767,202.07/143,822.42
  6. Step 6: Final answer
    x = 135,012.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.